Javascript – How to convert prevState of class component into functional component
Below is a class based component example class TestContainer extends React.Component { constructor(props) { super(props); this.state = { attached: initializeObject(props.TestTransactions), numTrue: props.TestTransactions.length, }; } commonSetState = () => { this.setState((prevState) => ({ attached: { ...prevState.attached, ...initializeObject(this.props.newTransactions), }, numTrue: prevState.numTrue +…